- Home Page /
- Industrial Supplies /
- Raw Materials /
- Metals & Alloys /
- Steel /
- Rods /
- 4140 Alloy Steel Round Bar, Unpolished (Mill)...
0 ratings
Item #:
156584877
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 0.6875" Diameter, 12" Length, OnlineMetals
Item #:
156584877
€ 50
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, August 20
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
4140 alloy steel is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Durable Material
Made from 4140 alloy steel, ensuring high strength and toughness suitable for heavy-duty applications and stress resistance.
Precision Finish
Cold finished for improved dimensional accuracy and surface quality, making it ideal for machining and fabrication projects.
Versatile Use
Available in various sizes, this round bar is perfect for custom manufacturing, automotive components, and industrial applications, providing exceptional value.
Product Details
| Item Diameter | 0.69 Inches (1.8 cm) |
| Item Thickness | 0.69 Inches (1.8 cm) |
| Item Weight | 1.3 Pounds (590 grams) |
| Color | Silver |
| Item Shape | Round |
| Item Form | Rod |
| Material | Alloy Steel 4140/4142 |
| Grade Rating | 4140 |
| Specification Met | Astm A108 |
| Brand Name | Online Metals |
| Number of Items | 1 |
| Model Number | 120591 |
| Part Number | 15487 |
| Unit Count | 1.0 Feet |
| Manufacturer | OnlineMetals |
| Brand | Online Metals |
| Shape | Round |
Who Should Buy?
-
Machinists
Ideal for machinists requiring durable materials for precision parts due to its excellent machinability and hardness.
-
Manufacturing
Best suited for manufacturing applications where strength and toughness are essential in structural components.
-
Fabricators
Great choice for fabricators needing reliable material for welding and forging due to its excellent weldability.
-
Outdoor Use
Not suitable for outdoor applications without protective coatings due to corrosion susceptibility of unpolished steel.
Product Description
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 0.6875" Diameter, 12" Length, OnlineMetals
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the diameter and length of the rod?
Answer: The rod has a diameter of 0.6875 inches and a length of 36 inches. -
Question:
Can this alloy steel be used in various applications?
Answer: Yes, 4140 alloy steel is commonly used in gears, spindles, fixtures, and heavy-duty applications. -
Question:
Is this product suitable for high-stress conditions?
Answer: Absolutely, 4140 alloy steel is known for its strength and resistance to fracturing in high-stress environments.
Online Metals Rods 120591 Editorial Review
The 4140 Alloy Steel Round Bar has garnered positive feedback from customers who appreciate its quality and versatility for various projects. Users with hands-on experience in metalworking have noted that the rod is excellent for fabricating small tools and fixtures, as it maintains good quality even after machining. Many reviewers were impressed by its application in specific tasks, such as creating leveling feet for a metal lathe and supporting decorative bird feeders, showcasing the product's ability to meet diverse needs. While there were minor complaints regarding slight imperfections, such as a small bend or slightly under-diameter measurements, these did not seem to significantly affect overall satisfaction. Customers felt that the material was durable and machined well, aligning closely with advertised descriptions, which enhances confidence in the product's utility. Overall, the reception of the 4140 Alloy Steel Round Bar is notably favorable, emphasizing the balance between quality and performance for a variety of applications in metalworking and crafting. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Excellent quality and durability
- Versatile for various projects
- Good machining properties
- Close adherence to advertised specifications
Cons
- Minor imperfections (slight bends)
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 50
Order now and get it around Thursday, August 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Made from cold finished and annealed 4140 alloy steel.
- Features high strength due to chromium and molybdenum content.
- Can be heat treated for enhanced hardness.
- Ideal for high-stress applications, including gears and shafts.
- Meets ASTM A108 specifications for reliable quality.
- Offers excellent machinability and toughness.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.